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<script>
	function Person(){
		
	};
		
	Person.prototype={
		name: 'blue',
		age: 18,
		job: 'daza',
		showName: function(){
			console.log(this.name);	
		}
	};
	console.log(Person.prototype);
	//重设构造函数，只适用于ECMAScript5兼容的浏览器
	Object.defineProperty(Person.prototype, 'constructor', {
		enumerable: false,
		value: Person	
	});
	console.log(Person.prototype.constructor);
</script>
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